This volume – the work of a lifetime – brings together all the Joseph Smith Translation manuscripts in a remarkable and useful way. Now, for the first time, readers can take a careful look at the complete text, along with photos of several actual manuscript pages. The book contains a typographic transcription of all the original manuscripts, unedited and preserved exactly as dictated by the prophet Joseph and recorded by his scribes. In addition, this volume features essays on the background, doctrinal contributions, and editorial procedures involved in the Joseph Smith Translation, as well as the history of the manuscripts since Joseph Smith’s day.

The page I linked to above also includes a transcript of an interview with two of the editors, who describe the process of getting access to, and preserving, the original manuscripts, which belong to the Community of Christ (formerly RLDS Church).

It sounds like an excellent project, and they reportedly plan to release a CD next year with digital images of the original manuscripts.

UPDATE: The book, which was originally estimated to be available toward the end of the year, is now available.